From cd4bc4893b1483dd21e14010a56dd073ff0ad7bd Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Fri, 22 Apr 2022 14:57:37 +0200 Subject: [PATCH] microsoft/compiler: Support load_sample_id_no_per_sample It's like load_sample_id except it shouldn't force per-sample shading when not already enabled. In that case, we simply return 0. Reviewed-by: Erik Faye-Lund Reviewed-by: Jesse Natalie Part-of: --- src/microsoft/compiler/nir_to_dxil.c | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/src/microsoft/compiler/nir_to_dxil.c b/src/microsoft/compiler/nir_to_dxil.c index ad3f962d4d9..e325f2a42e7 100644 --- a/src/microsoft/compiler/nir_to_dxil.c +++ b/src/microsoft/compiler/nir_to_dxil.c @@ -4111,6 +4111,20 @@ emit_load_layer_id(struct ntd_context *ctx, nir_intrinsic_instr *intr) return true; } +static bool +emit_load_sample_id(struct ntd_context *ctx, nir_intrinsic_instr *intr) +{ + assert(ctx->mod.info.has_per_sample_input || + intr->intrinsic == nir_intrinsic_load_sample_id_no_per_sample); + + if (ctx->mod.info.has_per_sample_input) + return emit_load_unary_external_function(ctx, intr, "dx.op.sampleIndex", + DXIL_INTR_SAMPLE_INDEX); + + store_dest_value(ctx, &intr->dest, 0, dxil_module_get_int32_const(&ctx->mod, 0)); + return true; +} + static bool emit_intrinsic(struct ntd_context *ctx, nir_intrinsic_instr *intr) { @@ -4146,8 +4160,8 @@ emit_intrinsic(struct ntd_context *ctx, nir_intrinsic_instr *intr) return emit_load_unary_external_function(ctx, intr, "dx.op.primitiveID", DXIL_INTR_PRIMITIVE_ID); case nir_intrinsic_load_sample_id: - return emit_load_unary_external_function(ctx, intr, "dx.op.sampleIndex", - DXIL_INTR_SAMPLE_INDEX); + case nir_intrinsic_load_sample_id_no_per_sample: + return emit_load_sample_id(ctx, intr); case nir_intrinsic_load_invocation_id: switch (ctx->mod.shader_kind) { case DXIL_HULL_SHADER: